/* ===== CSS Variables ===== */
:root {
    --color-primary: #1a365d;
    --color-secondary: #2d4a6f;
    --color-accent: #234676;
    --color-light: #f7f7f5;
    --color-white: #ffffff;
    --color-border: #e2e2e0;
    --color-muted: #5a7394;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-base: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-white);
    transition: var(--transition-base);
}

.navbar.scrolled .logo {
    color: var(--color-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

/* Logo light/dark switching */
.logo .logo-light {
    display: block;
    width: 32px;
    height: 32px;
}

.logo .logo-dark {
    display: none;
    width: 32px;
    height: 32px;
}

.navbar.scrolled .logo .logo-light {
    display: none;
}

.navbar.scrolled .logo .logo-dark {
    display: block;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.02em;
}

.navbar.scrolled .nav-links a {
    color: var(--color-secondary);
}

.nav-links a:hover {
    color: var(--color-white);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--color-primary);
}

.nav-cta {
    padding: 10px 24px;
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 100px;
    border: 1px solid transparent;
}

.navbar.scrolled .nav-cta {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.3) 100%),
        url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center center / cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(30, 40, 50, 0.4) 0%,
        rgba(30, 40, 50, 0.1) 40%,
        rgba(30, 40, 50, 0.2) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 100px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.6); opacity: 0.5; }
}

/* ===== About Section ===== */
.about {
    padding: 140px 0;
    background: var(--color-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 60px;
    align-items: start;
}

.about-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-muted);
    padding-top: 8px;
}

.about-content {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.about-text:last-child {
    margin-bottom: 0;
}

/* ===== Services Section - Scroll-Driven Layout ===== */
.services {
    background: var(--color-light);
    padding: 0;
    overflow: visible;
}

.services-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Left Panel - Sticky Compass */
.compass-panel {
    position: sticky;
    top: 0;
    left: 0;
    width: 38%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
}

.compass-panel-inner {
    padding: 40px 32px;
    max-width: 400px;
    text-align: center;
}

.compass-panel .section-label {
    color: var(--color-muted);
    margin-bottom: 16px;
}

.compass-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 36px;
}

/* Compass Visual */
.compass-visual {
    position: relative;
    width: 240px;
    height: 240px;
    margin: 0 auto 40px;
}

.compass-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    color: var(--color-primary);
}

.compass-needle {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    color: var(--color-primary);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: rotate(0deg);
}

.compass-labels {
    position: absolute;
    inset: 0;
}

.compass-label {
    position: absolute;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-muted);
    transition: all 0.4s ease;
}

.compass-label.active {
    color: var(--color-primary);
    transform: scale(1.2);
}

.compass-label-n { top: -28px; left: 50%; transform: translateX(-50%); }
.compass-label-e { right: -28px; top: 50%; transform: translateY(-50%); }
.compass-label-s { bottom: -28px; left: 50%; transform: translateX(-50%); }
.compass-label-w { left: -28px; top: 50%; transform: translateY(-50%); }

.compass-label-n.active { transform: translateX(-50%) scale(1.2); }
.compass-label-e.active { transform: translateY(-50%) scale(1.2); }
.compass-label-s.active { transform: translateX(-50%) scale(1.2); }
.compass-label-w.active { transform: translateY(-50%) scale(1.2); }

/* Progress Indicator */
.compass-progress {
    max-width: 240px;
    margin: 0 auto;
}

.progress-track {
    height: 2px;
    background: var(--color-border);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.progress-labels {
    display: flex;
    justify-content: space-between;
}

.progress-labels span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-muted);
    transition: color 0.3s ease;
}

.progress-labels span.active {
    color: var(--color-primary);
}

/* Right Panel - Scrolling Content */
.services-scroll {
    width: 62%;
    background: var(--color-light);
}

/* Mobile Header - hidden on desktop */
.services-mobile-header {
    display: none;
}

.service-panel {
    min-height: auto;
    display: flex;
    align-items: center;
    padding: 24px 48px;
    opacity: 0.4;
    transition: opacity 0.5s ease;
}

.service-panel:first-child {
    padding-top: 48px;
}

.service-panel:last-child {
    padding-bottom: 48px;
}

.service-panel.active {
    opacity: 1;
}

.service-panel-content {
    max-width: 100%;
    background: var(--color-white);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.service-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.service-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.08);
    line-height: 1;
}

.service-direction {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-muted);
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 100px;
}

.service-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.service-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-secondary);
    margin-bottom: 28px;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.service-features li {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 20px;
    border-left: 2px solid var(--color-border);
    transition: border-color 0.3s ease;
}

.service-features li:hover {
    border-left-color: var(--color-primary);
}

.feature-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-primary);
}

.feature-desc {
    font-size: 0.8125rem;
    color: var(--color-muted);
}

/* Section label (reused) */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-muted);
    margin-bottom: 16px;
}

/* ===== Clients Section ===== */
.clients {
    padding: 80px 0;
    background: var(--color-primary);
    overflow: hidden;
}

.clients-label {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 40px;
}

.logo-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.logo-carousel::before,
.logo-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.logo-carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--color-primary), transparent);
}

.logo-carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--color-primary), transparent);
}

.logo-track {
    display: flex;
    gap: 80px;
    animation: scroll 60s linear infinite;
    width: max-content;
}

.logo-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.logo-item:hover {
    opacity: 1;
}

.logo-item img {
    max-height: 50px;
    max-width: 150px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.logo-item.no-invert img {
    filter: none;
}

.logo-item.logo-large {
    height: 70px;
}

.logo-item.logo-large img {
    max-height: 70px;
    max-width: 200px;
}

/* ===== Contact Section ===== */
.contact {
    padding: 140px 0;
    background: var(--color-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info {
    padding-right: 40px;
}

.contact-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.contact-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-item-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
}

.contact-item a,
.contact-item span {
    font-size: 1.125rem;
    color: var(--color-primary);
}

.contact-item a:hover {
    color: var(--color-secondary);
}

/* ===== Contact Form ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: var(--color-white);
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    background: var(--color-light);
    border: 1px solid transparent;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-primary);
    transition: var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    padding: 16px 32px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-base);
    margin-top: 8px;
}

.form-submit:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 40px;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--color-primary);
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-muted);
    max-width: 280px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-secondary);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .compass-panel-inner {
        padding: 32px 24px;
    }
    
    .compass-visual {
        width: 220px;
        height: 220px;
    }
    
    .service-panel {
        padding: 20px 32px;
    }
    
    .service-panel-content {
        padding: 36px;
    }
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-info {
        padding-right: 0;
    }
    
    .compass-panel {
        width: 35%;
    }
    
    .services-scroll {
        width: 65%;
    }
    
    .compass-visual {
        width: 220px;
        height: 220px;
        margin-bottom: 36px;
    }
    
    .compass-title {
        font-size: 1.75rem;
        margin-bottom: 36px;
    }
}

@media (max-width: 900px) {
    /* Stack layout for services on tablet/mobile */
    .services-wrapper {
        flex-direction: column;
    }
    
    .compass-panel {
        display: none;
    }
    
    .services-scroll {
        width: 100%;
        padding-top: 0;
    }
    
    .services-mobile-header {
        display: block;
        text-align: center;
        padding: 60px 24px 32px;
    }
    
    .services-mobile-header .section-label {
        margin-bottom: 12px;
    }
    
    .mobile-title {
        font-family: var(--font-serif);
        font-size: 2rem;
        font-weight: 400;
        color: var(--color-primary);
        line-height: 1.2;
    }
    
    .service-panel {
        opacity: 1;
    }
    
    .service-panel {
        min-height: auto;
        padding: 16px 24px;
    }
    
    .service-panel:first-child {
        padding-top: 32px;
    }
    
    .service-panel:last-child {
        padding-bottom: 32px;
    }
    
    .service-panel-content {
        max-width: 100%;
        padding: 32px 24px;
        border-radius: 20px;
    }
    
    /* Reset opacity since we're not doing scroll-driven on mobile */
    .service-panel {
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 16px 20px;
    }
    
    .nav-right {
        gap: 16px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
    }
    
    .hero-badge {
        font-size: 0.7rem;
        padding: 6px 16px;
    }
    
    .about,
    .contact {
        padding: 100px 0;
    }
    
    .logo-track {
        gap: 48px;
    }
    
    .logo-item {
        height: 40px;
    }
    
    .logo-item img {
        max-height: 40px;
        max-width: 120px;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
    }
    
    .compass-visual {
        width: 180px;
        height: 180px;
    }
    
    .service-title {
        font-size: 1.75rem;
    }
    
    .service-features li {
        padding-left: 16px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        padding: 14px 28px;
        font-size: 0.875rem;
    }
    
    .clients {
        padding: 60px 0;
    }
    
    .logo-track {
        gap: 32px;
    }
    
    .logo-item {
        height: 35px;
    }
    
    .logo-item img {
        max-height: 35px;
        max-width: 100px;
    }
    
    .compass-visual {
        width: 160px;
        height: 160px;
    }
    
    .compass-title {
        font-size: 1.5rem;
    }
    
    .service-number {
        font-size: 2.5rem;
    }
    
    .service-panel {
        padding: 12px 16px;
    }
    
    .service-panel-content {
        padding: 28px 20px;
        border-radius: 16px;
    }
}